“Very proactive and extremely helpful, especially with technical queries. I would not hesitate to recommend and will certainly be using them again in the future.”



Under CDM2015 regs we have found CASS ALLEN to exercise a level of professionalism and due diligence which is second to none. We would therefore definitely recommend CASS ALLEN as our preferred acoustic consultant, for all of our projects.’


SF - Taylor Wimpey South Thames

“I was very pleased with their technical knowledge and professional approach when dealing with a very awkward purchaser as well as the local authority.”


JH, Telford Homes

“Cass Allen went above and beyond to help with the Acoustic planning performance and conditions regarding the Greenwich Creekside project…”


LM, Capita plc

“Good comprehensive reports and advice at all design stages. Very flexible and professional, provided attendance at acoustic cladding tests at short notice.”


DF, Berkeley Homes

“Cass Allen have assisted us on a number of our projects. I’ve been impressed with their thorough and professional approach.”


MT, Lark Energy

Dr Tim Ives - Technical Director
Direct Dial: 01234 834862 / Email

Tim read Electroacoustics at the University of Salford before studying for his PhD in Psychoacoustics at the University of Brighton. He is a Chartered Engineer (CEng), a recognized expert in auditory psychophysics and computational acoustic modelling and has published in many leading international journals. He has worked at industrial and research facilities in Holland, France the US and UK including seven years at the University of Cambridge. He has a particular interest in room/architectural acoustics and speech intelligibility in commercial environments.

Get in touch

We hope you’ve enjoyed browsing our website but if you have any questions feel free to call us to talk through any acoustic issues you may be facing on your projects. The best person who can help with specific queries can be found here.